Hi all,
To start, I apologize for the cross post (I've already posted the
problem to the FrontBase developers' list), but thought that someone
else here has come across the same problem:
The problem we have observed only after we switched to Leo/WO 5.4.1.
The set up:
Mac OS 10.5.2 Server
WebObjects 5.4.1
FrontBase 4.2.8
We have a WO app, which is used to load data in the database. The
loading is done by a direct action. The editing context is a new
EOEditingContext() for each direct action and is disposed at the end.
At the end of the direct action we have saveChanges() and as a result
multiple INSERT statements are generated for the DB.
The application is running with multiple instances.
From time to time we get exceptions like the following:
Possible EO validation error: Exception condition 358. Integrity
constraint violation (PRIMARY KEY,
TT_INVOICE_ENTRY._C0000000394(ID=1005219)
This is a primary key violation. Primary keys are automatically
generated by FB. From the logs I can say that a row with that primary
key has already been inserted in the database by one of the other
instances of the application.
The same multi-instance set up has been running with no problems on
Tiger/WO 5.3.
Thanks for any ideas.
regards,
Irina
Irina Popova
Tuparev Technologies
3 Sofijski Geroj Str., Entr.2, Apt.27
1612 Sofia
Bulgaria
phone: +359 2 950 15 05
fax: +359 2 953 22 16
www.tuparev.com
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